The Dugong is a rare and endangered sea animal. Neither seal nor whale, but something like the marine equivalent of a cow, it is central to the lives of the Kiwai, a group of seafarers and fishermen...

For most of the year Crab Island, off Australia’s north coast seems like a piece of paradise. But from early May, dark forces are unleashed, as the players in a remarkable drama begin to show up. No-...